function updateContentList(x) {
  var text = document.getElementById("tags");
  var type = document.getElementById("selectsort");
  
  if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
    xmlhttp=new XMLHttpRequest();
  }
  else
  {// code for IE6, IE5
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
  xmlhttp.onreadystatechange=function()
  {
    if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
        document.getElementById("content").innerHTML=xmlhttp.responseText;
        //document.getElementById("content").innerHTML="HAHAHAHA";
    }
  }
  xmlhttp.open("GET","GetContent?q="+text.value+"&pagenumber="+x+"&type="+type.options[type.selectedIndex].value,true);
  xmlhttp.send();
}